Answer:
-7 is your answer
Step-by-step explanation:
Isolate the variable, y. Note the equal sign, what you do to one side, you do to the other.
4 + y = -3
Subtract 4 from both sides
4 (-4) + y = -3 (-4)
y = -3 - 4
y = -7
-7, or (D) is your answer
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Since the toss can either be heads or tails and only one of these can land at a time the answer is 13
Answer: a + 4
explanation: sum means what comes from two numbers being added. so you just need to add a and 4
